Drew DeSilver

All but five states will hold at least one primary this year, cementing the primary's dominance over the older caucus system in the presidential nominating process. But compared to 2008, the last time both parties had open nomination contests, the voting started later this year and is a bit more spread out.

There hasn't been a seriously contested nominating convention in decades, and a look at history helps explain why: Candidates who needed multiple ballots to get nominated usually didn't go on to win the White House.

More than six years after the Great Recession ended, almost 10.2 million teens and young adults in the U.S. are neither working nor in school.

What the data show on bullying, drug and alcohol use, depression, violence and other common sources of parental concern.

On the occasion of President Obama's last State of the Union address, a look back at his first congressional address – his priorities, those of the public at the time and what's happened in the years since.

Congress passed 113 laws, 87 of them substantive, in 2015, making it the most productive first session since 2009.

in terms of income status, the past four decades have been very good to people working in financial and natural-resources industries or as executives and managers, but not so good for sales workers or people in blue-collar manufacturing jobs.

How the Supreme Court decides a redistricting case from Texas could affect Hispanic voting strength and House representation from coast to coast.

There's more money in the political system than at any time since the reforms of the 1970s, a trend that concerns most Americans regardless of party or ideology.

Public opinion data going back to the 1930s shows that generally speaking, Americans oppose large numbers of refugees entering the country.